//speech_server的测试客户端实现
//1.进行服务发现 -- 发现speech_server的服务器节点地址信息并实例化的信道通信
//2.读取语音文件数据
//3.发起语音识别RPC调用

#include "etcd.hpp"
#include "channel.hpp"
#include <gflags/gflags.h>
#include <thread>
#include "speech.pb.h"
#define toupper ::toupper
#define tolower ::tolower
#include "aip-cpp-sdk/speech.h"

DEFINE_bool(run_mode, false, "程序的运行模式，false-调试； true-发布；");
DEFINE_string(log_file, "", "发布模式下，用于指定日志的输出文件");
DEFINE_int32(log_level, 0, "发布模式下，用于指定日志输出等级");

DEFINE_string(etcd_host, "http://127.0.0.1:2379", "服务注册中心地址");
DEFINE_string(base_service, "/service", "服务监控根目录");
DEFINE_string(speech_service, "/service/speech_service", "服务监控根目录");

int main(int argc, char *argv[])
{
    google::ParseCommandLineFlags(&argc, &argv, true);
    zrb::init_logger(FLAGS_run_mode, FLAGS_log_file, FLAGS_log_level);

    //1. 先构造Rpc信道管理对象
    auto sm = std::make_shared<zrb::ServiceManager>();
    sm->declared(FLAGS_speech_service);
    auto put_cb = std::bind(&zrb::ServiceManager::onServiceOnline, sm.get(), std::placeholders::_1, std::placeholders::_2);
    auto del_cb = std::bind(&zrb::ServiceManager::onServiceOffline, sm.get(), std::placeholders::_1, std::placeholders::_2);
    //2. 构造服务发现对象
    zrb::Discovery::ptr dclient = std::make_shared<zrb::Discovery>(FLAGS_etcd_host, FLAGS_base_service, put_cb, del_cb);
    
    //3. 通过Rpc信道管理对象，获取提供Echo服务的信道
    auto channel = sm->choose(FLAGS_speech_service);
    if (!channel) {
        std::this_thread::sleep_for(std::chrono::seconds(1));
        return -1;
    }
    //4. 发起EchoRpc调用（通过rpc信道）
    zrb::SpeechService_Stub stub(channel.get());
    zrb::SpeechRecognitionReq req;
    
    //获取语音内容
    std::string file_content;
    aip::get_file_content("16k.pcm", &file_content);
    req.set_speech_content(file_content);
    req.set_request_id("111");

    brpc::Controller *cntl = new brpc::Controller();
    zrb::SpeechRecognitionRsp *rsp = new zrb::SpeechRecognitionRsp();
    stub.SpeechRecognition(cntl, &req, rsp, nullptr);
    if (cntl->Failed() == true) {
        std::cout << "Rpc调用失败：" << cntl->ErrorText() << std::endl;
        delete cntl;
        delete rsp;
        std::this_thread::sleep_for(std::chrono::seconds(1));
        return -1;
    }
    std::cout << "收到响应: " << rsp->recognition_result() << std::endl;
    std::this_thread::sleep_for(std::chrono::seconds(1));

    return 0;
}

